Exhaust manifold



FIG. 1 is a front perspective view of the exhaust manifold;

FIG. 2 is a rear perspective view of the exhaust manifold of FIG. 1;

FIG. 3 is a front view of the exhaust manifold of FIG. 1;

FIG. 4 is a rear view of the exhaust manifold of FIG. 1;

FIG. 5 is a left side view of the exhaust manifold of FIG. 1;

FIG. 6 is a right side view of the exhaust manifold of FIG. 1;

FIG. 7 is a top view of the exhaust manifold of FIG. 1; and,

FIG. 8 is a bottom view of the exhaust manifold of FIG. 1.

The broken lines represent portions of the structure that form no part of the claim. 

The ornamental design for an exhaust manifold, as shown and described. 